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Error when you try to enable Azure Disk Encryption: Extension version '2.2' is not supported

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This article provides two workarounds to an issue in which you can't enable Azure Disk Encryption with error "Azure Disk Encryption extension version '2.2' is not supported".

Original product version:   Virtual Machine running Windows
Original KB number:   4339481

Symptoms

When you try to enable Azure Disk Encryption on an Azure virtual machine (VM) on Windows, you receive the following error message:

Azure Disk Encryption extension version '2.2' is not supported

Workaround

To work around this problem, use one of the following methods.

Method 1

Revert to using the Microsoft Entra parameters in the syntax for Set-AzureRmVmDiskEncryptionExtension.

The parameters are the following:

[-AadClientID] <String> 
[-AadClientSecret] <String>

Method 2

Opt in to the "UnifiedDiskEncryptionForVMs" feature for your subscription by running the following script before you try again to enable encryption:

Register-AzureRmProviderFeature -ProviderNamespace "Microsoft.Compute" -FeatureName "UnifiedDiskEncryptionForVMs" # Wait 10 minutes until state transitions to 'Registered' Register-AzureRmResourceProvider -ProviderNamespace Microsoft.Compute

More Information

Steps to reproduce the problem

Run the following script:

Set-AzureRmVMDiskEncryptionExtension -ResourceGroupName $resourceGroupName -VMName $vmName -DiskEncryptionKeyVaultUrl $diskEncryptionKeyVaultUrl -DiskEncryptionKeyVaultId $keyVaultResourceId -KeyEncryptionKeyUrl $keyEncryptionKeyUrl -KeyEncryptionKeyVaultId $keyVaultResourceId -VolumeType 'All';
DEBUG: 10:47:22 AM - SetAzureDiskEncryptionExtensionCommand end processing.
Set-AzureRmVMDiskEncryptionExtension : Azure Disk Encryption extension version '2.2' is not supported.
ErrorCode: NotSupported
ErrorMessage: Azure Disk Encryption extension version '2.2' is not supported.
StatusCode: 409
ReasonPhrase: Conflict
OperationID : 2cb4ac35-e2a5-4cd4-84d9-3174663e0a46
At line:1 char:1
+ Set-AzureRmVMDiskEncryptionExtension -ResourceGroupName $resourceGrou ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : CloseError: (:) [Set-AzureRmVMDiskEncryptionExtension], ComputeCloudException

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Contact us for help

If you have questions or need help, create a support request, or ask Azure community support. You can also submit product feedback to Azure feedback community.